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/*
 * @file board.h
 *
 * bootloader board interface
 * This file contains the common interfaces that all boards
 * have to supply
 */

#pragma once

#define BIT(pos)                                (1ull<<(pos))
#define BIT_MASK(length)                        (BIT(length)-1)

#define BITFEILD_MASK(lsb_pos, length)          ( BIT_MASK(length) << (lsb_pos))
#define BITFEILD_ISOLATE(x, lsb_pos, length)    ((x) & (BITFEILD_MASK((lsb_pos), (length))))
#define BITFEILD_EXCLUDE(x, lsb_pos, length)    ((x) & ~(BITFEILD_MASK((lsb_pos), (length))))
#define BITFEILD_GET(y, lsb_pos, length)        (((y)>>(lsb_pos)) & BIT_MASK(length))
#define BITFEILD_SET(y, x, lsb_pos, length)     ( y= ((y) & ~BF_MASK(lsb_pos, length)) | BITFEILD_ISOLATE(x, lsb_pos, length))